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102000103 = 419243437
BaseRepresentation
bin1100001010001…
…10010111100111
321002221010211121
412011012113213
5202103000403
614042114411
72345662252
oct605062747
9232833747
10102000103
1152638207
122a1aba07
1318193cba
14d792099
158e4c3bd
hex61465e7

102000103 has 4 divisors (see below), whose sum is σ = 102243960. Its totient is φ = 101756248.

The previous prime is 102000077. The next prime is 102000109. The reversal of 102000103 is 301000201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102000103 - 25 = 102000071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102000109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121300 + ... + 122137.

It is an arithmetic number, because the mean of its divisors is an integer number (25560990).

Almost surely, 2102000103 is an apocalyptic number.

102000103 is a deficient number, since it is larger than the sum of its proper divisors (243857).

102000103 is an equidigital number, since it uses as much as digits as its factorization.

102000103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243856.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 102000103 is about 10099.5100376206. The cubic root of 102000103 is about 467.2330301067.

Adding to 102000103 its reverse (301000201), we get a palindrome (403000304).

The spelling of 102000103 in words is "one hundred two million, one hundred three", and thus it is an aban number.

Divisors: 1 419 243437 102000103